geolyzer

local holo = require("component").hologram;
holo.clear();
local geo = require("component").geolyzer;

local pr = {};

for i = -15, 15 do
    os.sleep();
    pr[i] = {};
    for j = -15, 15 do

        pr[i][j] = geo.scan(i, j);

    end

end

for i = -15, 15 do

    for j = -15, 15 do

        for k = 1, #pr[i][j] do

        if not(pr[i][j][#pr[i][j] - k + 1] == 0) then
            holo.set(i+11, 32 - k, j + 11, true);
        end

        end

    end

end